public void render(IDisplay display)
{
this.display = display;
display.imageBegin(imageWidth, imageHeight, 32);
// set members variables
bucketCounter = 0;
// start task
SunflowSharp.Systems.Timer timer = new SunflowSharp.Systems.Timer();
timer.start();
BucketThread[] renderThreads = new BucketThread[scene.getThreads()];
for (int i = 0; i < renderThreads.Length; i++)
{
renderThreads[i] = new BucketThread(this);
renderThreads[i].setPriority(scene.getThreadPriority());
renderThreads[i].start();
}
for (int i = 0; i < renderThreads.Length; i++)
{
try
{
renderThreads[i].join();
}
catch (Exception e)
{
UI.printError(UI.Module.BCKT, "Bucket processing thread {0} of {1} was interrupted", i + 1, renderThreads.Length);
}
}
timer.end();
UI.printInfo(UI.Module.BCKT, "Render time: {0}", timer.ToString());
display.imageEnd();
}
public void render(IDisplay display)
{
this.display = display;
display.imageBegin(imageWidth, imageHeight, 32);
// set members variables
bucketCounter = 0;
// start task
SunflowSharp.Systems.Timer timer = new SunflowSharp.Systems.Timer();
timer.start();
BucketThread[] renderThreads = new BucketThread[scene.getThreads()];
for (int i = 0; i < renderThreads.Length; i++)
{
renderThreads[i] = new BucketThread(this);
renderThreads[i].setPriority(scene.getThreadPriority());
renderThreads[i].start();
}
for (int i = 0; i < renderThreads.Length; i++)
{
try
{
renderThreads[i].join();
}
catch (Exception e)
{
UI.printError(UI.Module.BCKT, "Bucket processing thread {0} of {1} was interrupted", i + 1, renderThreads.Length);
}
finally
{
renderThreads[i].updateStats();
}
}
timer.end();
UI.printInfo(UI.Module.BCKT, "Render time: {0}", timer.ToString());
display.imageEnd();
}
public void build(PrimitiveList primitives)
{
this.primitives = primitives;
int n = primitives.getNumPrimitives();
UI.printDetailed(UI.Module.ACCEL, "Getting bounding box ...");
bounds = primitives.getWorldBounds(null);
objects = new int[n];
for (int i = 0; i < n; i++)
objects[i] = i;
UI.printDetailed(UI.Module.ACCEL, "Creating tree ...");
int initialSize = 3 * (2 * 6 * n + 1);
List<int> tempTree = new List<int>((initialSize + 3) / 4);
BuildStats stats = new BuildStats();
Timer t = new Timer();
t.start();
buildHierarchy(tempTree, objects, stats);
t.end();
UI.printDetailed(UI.Module.ACCEL, "Trimming tree ...");
tree = tempTree.ToArray();
// display stats
stats.printStats();
UI.printDetailed(UI.Module.ACCEL, " * Creation time: %s", t);
UI.printDetailed(UI.Module.ACCEL, " * Usage of init: %3d%%", 100 * tree.Length / initialSize);
UI.printDetailed(UI.Module.ACCEL, " * Tree memory: %s", Memory.SizeOf(tree));
UI.printDetailed(UI.Module.ACCEL, " * Indices memory: %s", Memory.SizeOf(objects));
}
public FastDisplay()
{
image = null;
frame = null;
t = new Timer();
frames = 0;
seconds = 0;
}
public RealtimeBenchmark(bool showGUI, int threads)
{
IDisplay display = /*showGUI ? new FastDisplay() :*/ new FileDisplay(false);
UI.printInfo(UI.Module.BENCH, "Preparing benchmarking scene ...");
// settings
parameter("threads", threads);
// spawn regular priority threads
parameter("threads.lowPriority", false);
parameter("resolutionX", 512);
parameter("resolutionY", 512);
parameter("aa.min", -3);
parameter("aa.max", 0);
parameter("depths.diffuse", 1);
parameter("depths.reflection", 1);
parameter("depths.refraction", 0);
parameter("bucket.order", "hilbert");
parameter("bucket.size", 32);
options(SunflowAPI.DEFAULT_OPTIONS);
// camera
Point3 eye = new Point3(30, 0, 10.967f);
Point3 target = new Point3(0, 0, 5.4f);
Vector3 up = new Vector3(0, 0, 1);
parameter("transform", Matrix4.lookAt(eye, target, up));
parameter("fov", 45.0f);
camera("camera", "pinhole");
parameter("camera", "camera");
options(SunflowAPI.DEFAULT_OPTIONS);
// geometry
createGeometry();
// this first render is not timed, it caches the acceleration data
// structures and tesselations so they won't be
// included in the main timing
UI.printInfo(UI.Module.BENCH, "Rendering warmup frame ...");
render(SunflowAPI.DEFAULT_OPTIONS, display);
// now disable all output - and run the benchmark
UI.set(null);
Timer t = new Timer();
t.start();
float phi = 0;
int frames = 0;
while (phi < 4 * Math.PI)
{
eye.x = 30 * (float)Math.Cos(phi);
eye.y = 30 * (float)Math.Sin(phi);
phi += (float)(Math.PI / 30);
frames++;
// update camera
parameter("transform", Matrix4.lookAt(eye, target, up));
camera("camera", null);
render(SunflowAPI.DEFAULT_OPTIONS, display);
}
t.end();
UI.set(new ConsoleInterface());
UI.printInfo(UI.Module.BENCH, "Benchmark results:");
UI.printInfo(UI.Module.BENCH, " * Average FPS: {0,6:0.00", frames / t.seconds());
UI.printInfo(UI.Module.BENCH, " * Total time: {0}", t);
}
public bool build(Options options)
{
// read options
maxDiffuseDepth = options.getInt("depths.diffuse", maxDiffuseDepth);
maxReflectionDepth = options.getInt("depths.reflection", maxReflectionDepth);
maxRefractionDepth = options.getInt("depths.refraction", maxRefractionDepth);
string giEngineType = options.getstring("gi.engine", null);
giEngine = PluginRegistry.giEnginePlugins.createObject(giEngineType);
string caustics = options.getstring("caustics", null);
causticPhotonMap = PluginRegistry.causticPhotonMapPlugins.createObject(caustics);
// validate options
maxDiffuseDepth = Math.Max(0, maxDiffuseDepth);
maxReflectionDepth = Math.Max(0, maxReflectionDepth);
maxRefractionDepth = Math.Max(0, maxRefractionDepth);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
// count total number of light samples
int numLightSamples = 0;
for (int i = 0; i < lights.Length; i++)
{
numLightSamples += lights[i].getNumSamples();
}
// initialize gi engine
if (giEngine != null)
{
if (!giEngine.init(options, scene))
{
return(false);
}
}
if (!calculatePhotons(causticPhotonMap, "caustic", 0, options))
{
return(false);
}
t.end();
UI.printInfo(UI.Module.LIGHT, "Light Server stats:");
UI.printInfo(UI.Module.LIGHT, " * Light sources found: {0}", lights.Length);
UI.printInfo(UI.Module.LIGHT, " * Light samples: {0}", numLightSamples);
UI.printInfo(UI.Module.LIGHT, " * Max raytrace depth:");
UI.printInfo(UI.Module.LIGHT, " - Diffuse {0}", maxDiffuseDepth);
UI.printInfo(UI.Module.LIGHT, " - Reflection {0}", maxReflectionDepth);
UI.printInfo(UI.Module.LIGHT, " - Refraction {0}", maxRefractionDepth);
UI.printInfo(UI.Module.LIGHT, " * GI engine {0}", giEngineType == null ? "none" : giEngineType);
UI.printInfo(UI.Module.LIGHT, " * Caustics: {0}", caustics == null ? "none" : caustics);
UI.printInfo(UI.Module.LIGHT, " * Shader override: {0}", shaderOverride);
UI.printInfo(UI.Module.LIGHT, " * Photon override: {0}", shaderOverridePhotons);
UI.printInfo(UI.Module.LIGHT, " * Build time: {0}", t.ToString());
return(true);
}
public void execute(BenchmarkTest test)
{
// clear previous results
for (int i = 0; i < timers.Length; i++)
timers[i] = null;
// loop for the specified number of iterations or until the time limit
long startTime = NanoTime.Now;
for (int i = 0; i < timers.Length && ((NanoTime.Now - startTime) / 1000000000) < timeLimit; i++)
{
UI.printInfo(UI.Module.BENCH, "Running iteration {0}", (i + 1));
timers[i] = new Timer();
test.kernelBegin();
timers[i].start();
test.kernelMain();
timers[i].end();
test.kernelEnd();
}
// report stats
double avg = 0;
double min = double.PositiveInfinity;
double max = double.NegativeInfinity;
int n = 0;
foreach (Timer t in timers)
{
if (t == null)
break;
double s = t.seconds();
min = Math.Min(min, s);
max = Math.Max(max, s);
avg += s;
n++;
}
if (n == 0)
return;
avg /= n;
double stdDev = 0;
foreach (Timer t in timers)
{
if (t == null)
break;
double s = t.seconds();
stdDev += (s - avg) * (s - avg);
}
stdDev = Math.Sqrt(stdDev / n);
UI.printInfo(UI.Module.BENCH, "Benchmark results:");
UI.printInfo(UI.Module.BENCH, " * Iterations: {0}", n);
UI.printInfo(UI.Module.BENCH, " * Average: {0}", Timer.tostring(avg));
UI.printInfo(UI.Module.BENCH, " * Fastest: {0}", Timer.tostring(min));
UI.printInfo(UI.Module.BENCH, " * Longest: {0}", Timer.tostring(max));
UI.printInfo(UI.Module.BENCH, " * Deviation: {0}", Timer.tostring(stdDev));
for (int i = 0; i < timers.Length && timers[i] != null; i++)
UI.printDetailed(UI.Module.BENCH, " * Iteration {0}: {1}", i + 1, timers[i]);
}
public void render(IDisplay display)
{
this.display = display;
display.imageBegin(imageWidth, imageHeight, 0);
// create first bucket
SmallBucket b = new SmallBucket();
b.x = b.y = 0;
int s = Math.Max(imageWidth, imageHeight);
b.size = 1;
while (b.size < s)
{
b.size <<= 1;
}
smallBucketQueue = new Queue <SmallBucket>();//PriorityBlockingQueue<SmallBucket>();
smallBucketQueue.Enqueue(b);
UI.taskStart("Progressive Render", 0, imageWidth * imageHeight);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
counter = 0;
counterMax = imageWidth * imageHeight;
SmallBucketThread[] renderThreads = new SmallBucketThread[scene.getThreads()];
for (int i = 0; i < renderThreads.Length; i++)
{
renderThreads[i] = new SmallBucketThread(this);
renderThreads[i].setPriority(scene.getThreadPriority());
renderThreads[i].start();
}
for (int i = 0; i < renderThreads.Length; i++)
{
try
{
renderThreads[i].join();
}
catch (Exception e)
{
UI.printError(UI.Module.IPR, "Thread {0} of {1} was interrupted", i + 1, renderThreads.Length);
}
finally
{
renderThreads[i].updateStats();
}
}
UI.taskStop();
t.end();
UI.printInfo(UI.Module.IPR, "Rendering time: {0}", t.ToString());
display.imageEnd();
}
public bool build(Options options)
{
// read options
maxDiffuseDepth = options.getInt("depths.diffuse", maxDiffuseDepth);
maxReflectionDepth = options.getInt("depths.reflection", maxReflectionDepth);
maxRefractionDepth = options.getInt("depths.refraction", maxRefractionDepth);
string giEngineType = options.getstring("gi.engine", null);
giEngine = PluginRegistry.giEnginePlugins.createObject(giEngineType);
string caustics = options.getstring("caustics", null);
causticPhotonMap = PluginRegistry.causticPhotonMapPlugins.createObject(caustics);
// validate options
maxDiffuseDepth = Math.Max(0, maxDiffuseDepth);
maxReflectionDepth = Math.Max(0, maxReflectionDepth);
maxRefractionDepth = Math.Max(0, maxRefractionDepth);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
// count total number of light samples
int numLightSamples = 0;
for (int i = 0; i < lights.Length; i++)
numLightSamples += lights[i].getNumSamples();
// initialize gi engine
if (giEngine != null)
{
if (!giEngine.init(options, scene))
return false;
}
if (!calculatePhotons(causticPhotonMap, "caustic", 0, options))
return false;
t.end();
UI.printInfo(UI.Module.LIGHT, "Light Server stats:");
UI.printInfo(UI.Module.LIGHT, " * Light sources found: {0}", lights.Length);
UI.printInfo(UI.Module.LIGHT, " * Light samples: {0}", numLightSamples);
UI.printInfo(UI.Module.LIGHT, " * Max raytrace depth:");
UI.printInfo(UI.Module.LIGHT, " - Diffuse {0}", maxDiffuseDepth);
UI.printInfo(UI.Module.LIGHT, " - Reflection {0}", maxReflectionDepth);
UI.printInfo(UI.Module.LIGHT, " - Refraction {0}", maxRefractionDepth);
UI.printInfo(UI.Module.LIGHT, " * GI engine {0}", giEngineType == null ? "none" : giEngineType);
UI.printInfo(UI.Module.LIGHT, " * Caustics: {0}", caustics == null ? "none" : caustics);
UI.printInfo(UI.Module.LIGHT, " * Shader override: {0}", shaderOverride);
UI.printInfo(UI.Module.LIGHT, " * Photon override: {0}", shaderOverridePhotons);
UI.printInfo(UI.Module.LIGHT, " * Build time: {0}", t.ToString());
return true;
}
/**
* Compile the specified code string via Janino. The code must implement a
* build method as described above. The build method is not called on the
* output, it is up the caller to do so.
*
* @param code java code string
* @return a valid SunflowAPI object upon succes, <code>null</code>
* otherwise.
*/
public static SunflowAPI compile(string code)
{
try
{
Timer t = new Timer();
t.start();
SunflowAPI api = null;//(SunflowAPI) ClassBodyEvaluator.createFastClassBodyEvaluator(new Scanner(null, new stringReader(code)), SunflowAPI.class, (ClassLoader) null);
//fixme: the dynamic loading
t.end();
UI.printInfo(UI.Module.API, "Compile time: {0}", t.ToString());
return api;
}
catch (Exception e)
{
UI.printError(UI.Module.API, "{0}", e);
return null;
}
}
public void build(PrimitiveList primitives)
{
Timer t = new Timer();
t.start();
this.primitives = primitives;
int n = primitives.getNumPrimitives();
// compute bounds
bounds = primitives.getWorldBounds(null);
// create grid from number of objects
bounds.enlargeUlps();
Vector3 w = bounds.getExtents();
double s = Math.Pow((w.x * w.y * w.z) / n, 1 / 3.0);
nx = MathUtils.clamp((int)((w.x / s) + 0.5), 1, 128);
ny = MathUtils.clamp((int)((w.y / s) + 0.5), 1, 128);
nz = MathUtils.clamp((int)((w.z / s) + 0.5), 1, 128);
voxelwx = w.x / nx;
voxelwy = w.y / ny;
voxelwz = w.z / nz;
invVoxelwx = 1 / voxelwx;
invVoxelwy = 1 / voxelwy;
invVoxelwz = 1 / voxelwz;
UI.printDetailed(UI.Module.ACCEL, "Creating grid: %dx%dx%d ...", nx, ny, nz);
List<int>[] buildCells = new List<int>[nx * ny * nz];
// add all objects into the grid cells they overlap
int[] imin = new int[3];
int[] imax = new int[3];
int numCellsPerObject = 0;
for (int i = 0; i < n; i++)
{
getGridIndex(primitives.getPrimitiveBound(i, 0), primitives.getPrimitiveBound(i, 2), primitives.getPrimitiveBound(i, 4), imin);
getGridIndex(primitives.getPrimitiveBound(i, 1), primitives.getPrimitiveBound(i, 3), primitives.getPrimitiveBound(i, 5), imax);
for (int ix = imin[0]; ix <= imax[0]; ix++)
{
for (int iy = imin[1]; iy <= imax[1]; iy++)
{
for (int iz = imin[2]; iz <= imax[2]; iz++)
{
int idx = ix + (nx * iy) + (nx * ny * iz);
if (buildCells[idx] == null)
buildCells[idx] = new List<int>();
buildCells[idx].Add(i);
numCellsPerObject++;
}
}
}
}
UI.printDetailed(UI.Module.ACCEL, "Building cells ...");
int numEmpty = 0;
int numInFull = 0;
cells = new int[nx * ny * nz][];
//int i = 0;
//foreach (List<int> cell in buildCells)
for (int i = 0; i < buildCells.Length; i++)
{
if (buildCells[i] != null)
{
if (buildCells[i].Count == 0)
{
numEmpty++;
buildCells[i] = null;
}
else
{
cells[i] = buildCells[i].ToArray();
numInFull += buildCells[i].Count;
}
}
else
numEmpty++;
//i++;
}
t.end();
UI.printDetailed(UI.Module.ACCEL, "Uniform grid statistics:");
UI.printDetailed(UI.Module.ACCEL, " * Grid cells: {0}", cells.Length);
UI.printDetailed(UI.Module.ACCEL, " * Used cells: {0}", cells.Length - numEmpty);
UI.printDetailed(UI.Module.ACCEL, " * Empty cells: {0}", numEmpty);
UI.printDetailed(UI.Module.ACCEL, " * Occupancy: {0}", 100.0 * (cells.Length - numEmpty) / cells.Length);
UI.printDetailed(UI.Module.ACCEL, " * Objects/Cell: {0}", (double)numInFull / (double)cells.Length);
UI.printDetailed(UI.Module.ACCEL, " * Objects/Used Cell: {0}", (double)numInFull / (double)(cells.Length - numEmpty));
UI.printDetailed(UI.Module.ACCEL, " * Cells/Object: {0}", (double)numCellsPerObject / (double)n);
UI.printDetailed(UI.Module.ACCEL, " * Build time: {0}", t.ToString());
}
public bool calculatePhotons(PhotonStore map, string type, int seed, Options options)
{
if (map == null)
return true;
if (lights.Length == 0)
{
UI.printError(UI.Module.LIGHT, "Unable to trace {0} photons, no lights in scene", type);
return false;
}
float[] histogram = new float[lights.Length];
histogram[0] = lights[0].getPower();
for (int i = 1; i < lights.Length; i++)
histogram[i] = histogram[i - 1] + lights[i].getPower();
UI.printInfo(UI.Module.LIGHT, "Tracing {0} photons ...", type);
map.prepare(options, scene.getBounds());
int numEmittedPhotons = map.numEmit();
if (numEmittedPhotons <= 0 || histogram[histogram.Length - 1] <= 0)
{
UI.printError(UI.Module.LIGHT, "Photon mapping enabled, but no {0} photons to emit", type);
return false;
}
UI.taskStart("Tracing " + type + " photons", 0, numEmittedPhotons);
Thread[] photonThreads = new Thread[scene.getThreads()];
float scale = 1.0f / numEmittedPhotons;
int delta = numEmittedPhotons / photonThreads.Length;
photonCounter = 0;
SunflowSharp.Systems.Timer photonTimer = new SunflowSharp.Systems.Timer();
photonTimer.start();
for (int i = 0; i < photonThreads.Length; i++)
{
int threadID = i;
int start = threadID * delta;
int end = (threadID == (photonThreads.Length - 1)) ? numEmittedPhotons : (threadID + 1) * delta;
photonThreads[i] = new Thread(new ThreadStart(new CalculatePhotons(start, end, this, seed, histogram, scale, map, lockObj).Run));
photonThreads[i].Priority = scene.getThreadPriority();
photonThreads[i].Start();
}
for (int i = 0; i < photonThreads.Length; i++)
{
try
{
photonThreads[i].Join();
}
catch (Exception e)
{
UI.printError(UI.Module.LIGHT, "Photon thread {0} of {1} was interrupted", i + 1, photonThreads.Length);
return false;
}
}
if (UI.taskCanceled())
{
UI.taskStop(); // shut down task cleanly
return false;
}
photonTimer.end();
UI.taskStop();
UI.printInfo(UI.Module.LIGHT, "Tracing time for {0} photons: {1}", type, photonTimer.ToString());
map.init();
return true;
}
public static string tostring(double seconds)
{
Timer t = new Timer();
t.endTime = (long)(seconds * 1e9);
return t.ToString();
}
public static string tostring(long nanos)
{
Timer t = new Timer();
t.endTime = nanos;
return t.ToString();
}
public void init()
{
UI.printInfo(UI.Module.LIGHT, "Balancing caustics photon map ...");
Timer t = new Timer();
t.start();
balance();
t.end();
UI.printInfo(UI.Module.LIGHT, "Caustic photon map:");
UI.printInfo(UI.Module.LIGHT, " * Photons stored: %d", storedPhotons);
UI.printInfo(UI.Module.LIGHT, " * Photons/estimate: %d", gatherNum);
maxRadius = 1.4f * (float)Math.Sqrt(maxPower * gatherNum);
UI.printInfo(UI.Module.LIGHT, " * Estimate radius: %.3f", gatherRadius);
UI.printInfo(UI.Module.LIGHT, " * Maximum radius: %.3f", maxRadius);
UI.printInfo(UI.Module.LIGHT, " * Balancing time: %s", t.ToString());
if (gatherRadius > maxRadius)
gatherRadius = maxRadius;
}
public void init()
{
UI.printInfo(UI.Module.LIGHT, "Balancing global photon map ...");
UI.taskStart("Balancing global photon map", 0, 1);
Timer t = new Timer();
t.start();
balance();
t.end();
UI.taskStop();
UI.printInfo(UI.Module.LIGHT, "Global photon map:");
UI.printInfo(UI.Module.LIGHT, " * Photons stored: %d", storedPhotons);
UI.printInfo(UI.Module.LIGHT, " * Photons/estimate: %d", numGather);
UI.printInfo(UI.Module.LIGHT, " * Estimate radius: %.3f", gatherRadius);
maxRadius = 1.4f * (float)Math.Sqrt(maxPower * numGather);
UI.printInfo(UI.Module.LIGHT, " * Maximum radius: %.3f", maxRadius);
UI.printInfo(UI.Module.LIGHT, " * Balancing time: %s", t.ToString());
if (gatherRadius > maxRadius)
gatherRadius = maxRadius;
t.start();
precomputeRadiance();
t.end();
UI.printInfo(UI.Module.LIGHT, " * Precompute time: %s", t.ToString());
UI.printInfo(UI.Module.LIGHT, " * Radiance photons: %d", storedPhotons);
UI.printInfo(UI.Module.LIGHT, " * Search radius: %.3f", gatherRadius);
}
public override bool parse(Stream stream, SunflowAPI api)
{
//string localDir = Path.GetFullPath(filename);
numLightSamples = 1;
Timer timer = new Timer();
timer.start();
UI.printInfo(UI.Module.API, "Parsing stream ...");
try
{
p = new Systems.Parser(stream);
while (true)
{
string token = p.getNextToken();
if (token == null)
break;
if (token == "image")
{
UI.printInfo(UI.Module.API, "Reading image settings ...");
parseImageBlock(api);
}
else if (token == "background")
{
UI.printInfo(UI.Module.API, "Reading background ...");
parseBackgroundBlock(api);
}
else if (token == "accel")
{
UI.printInfo(UI.Module.API, "Reading accelerator type ...");
p.getNextToken();
UI.printWarning(UI.Module.API, "Setting accelerator type is not recommended - ignoring");
}
else if (token == "filter")
{
UI.printInfo(UI.Module.API, "Reading image filter type ...");
parseFilter(api);
}
else if (token == "bucket")
{
UI.printInfo(UI.Module.API, "Reading bucket settings ...");
api.parameter("bucket.size", p.getNextInt());
api.parameter("bucket.order", p.getNextToken());
api.options(SunflowAPI.DEFAULT_OPTIONS);
}
else if (token == "photons")
{
UI.printInfo(UI.Module.API, "Reading photon settings ...");
parsePhotonBlock(api);
}
else if (token == "gi")
{
UI.printInfo(UI.Module.API, "Reading global illumination settings ...");
parseGIBlock(api);
}
else if (token == "lightserver")
{
UI.printInfo(UI.Module.API, "Reading light server settings ...");
parseLightserverBlock(api);
}
else if (token == "trace-depths")
{
UI.printInfo(UI.Module.API, "Reading trace depths ...");
parseTraceBlock(api);
}
else if (token == "camera")
{
parseCamera(api);
}
else if (token == "shader")
{
if (!parseShader(api))
return false;
}
else if (token == "modifier")
{
if (!parseModifier(api))
return false;
}
else if (token == "override")
{
api.parameter("override.shader", p.getNextToken());
api.parameter("override.photons", p.getNextbool());
api.options(SunflowAPI.DEFAULT_OPTIONS);
}
else if (token == "object")
{
parseObjectBlock(api);
}
else if (token == "instance")
{
parseInstanceBlock(api);
}
else if (token == "light")
{
parseLightBlock(api);
}
else if (token == "texturepath")
{
string path = p.getNextToken();
//if (!new File(path).isAbsolute())
// path = localDir + File.separator + path;
api.searchpath("texture", Path.GetFullPath(path));
}
else if (token == "includepath")
{
string path = p.getNextToken();
//if (!new File(path).isAbsolute())
// path = localDir + File.separator + path;
api.searchpath("include", Path.GetFullPath(path));
}
else if (token == "include")
{
string file = p.getNextToken();
UI.printInfo(UI.Module.API, "Including: \"{0}\" ...", file);
api.include(file);
}
else
UI.printWarning(UI.Module.API, "Unrecognized token {0}", token);
}
p.close();
}
catch (Exception e)
{
UI.printError(UI.Module.API, "{0}", e);
return false;
}
timer.end();
UI.printInfo(UI.Module.API, "Done parsing.");
UI.printInfo(UI.Module.API, "Parsing time: {0}", timer.ToString());
return true;
}
public bool build(Options options)
{
// read options
maxDiffuseDepth = options.getInt("depths.diffuse", maxDiffuseDepth);
maxReflectionDepth = options.getInt("depths.reflection", maxReflectionDepth);
maxRefractionDepth = options.getInt("depths.refraction", maxRefractionDepth);
giEngine = GIEngineFactory.create(options);
string caustics = options.getstring("caustics", null);
if (caustics == null || caustics == "none")
causticPhotonMap = null;
else if (caustics != null && caustics == "kd")
causticPhotonMap = new CausticPhotonMap(options);
else
{
UI.printWarning(UI.Module.LIGHT, "Unrecognized caustics photon map engine \"{0}\" - ignoring", caustics);
causticPhotonMap = null;
}
// validate options
maxDiffuseDepth = Math.Max(0, maxDiffuseDepth);
maxReflectionDepth = Math.Max(0, maxReflectionDepth);
maxRefractionDepth = Math.Max(0, maxRefractionDepth);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
// count total number of light samples
int numLightSamples = 0;
for (int i = 0; i < lights.Length; i++)
numLightSamples += lights[i].getNumSamples();
// initialize gi engine
if (giEngine != null)
{
if (!giEngine.init(scene))
return false;
}
if (!calculatePhotons(causticPhotonMap, "caustic", 0))
return false;
t.end();
cacheLookups = 0;
cacheHits = 0;
cacheEmptyEntryMisses = 0;
cacheWrongEntryMisses = 0;
cacheEntryAdditions = 0;
if (_shadingCache != null)
{
// clear shading cache
for (int i = 0; i < _shadingCache.Length; i++)
_shadingCache[i] = null;
}
UI.printInfo(UI.Module.LIGHT, "Light Server stats:");
UI.printInfo(UI.Module.LIGHT, " * Light sources found: {0}", lights.Length);
UI.printInfo(UI.Module.LIGHT, " * Light samples: {0}", numLightSamples);
UI.printInfo(UI.Module.LIGHT, " * Max raytrace depth:");
UI.printInfo(UI.Module.LIGHT, " - Diffuse {0}", maxDiffuseDepth);
UI.printInfo(UI.Module.LIGHT, " - Reflection {0}", maxReflectionDepth);
UI.printInfo(UI.Module.LIGHT, " - Refraction {0}", maxRefractionDepth);
UI.printInfo(UI.Module.LIGHT, " * GI engine {0}", options.getstring("gi.engine", "none"));
UI.printInfo(UI.Module.LIGHT, " * Caustics: {0}", caustics == null ? "none" : caustics);
UI.printInfo(UI.Module.LIGHT, " * Shader override: {0}", shaderOverride);
UI.printInfo(UI.Module.LIGHT, " * Photon override: {0}", shaderOverridePhotons);
UI.printInfo(UI.Module.LIGHT, " * Shading cache: {0}", _shadingCache == null ? "off" : "on");
UI.printInfo(UI.Module.LIGHT, " * Build time: {0}", t.ToString());
return true;
}
/**
* Create an API object from the specified file. Java files are read by
* Janino and are expected to implement a build method (they implement a
* derived class of SunflowAPI. The build method is called if the code
* compiles succesfully. Other files types are handled by the parse method.
*
* @param filename filename to load
* @return a valid SunflowAPI object or <code>null</code> on failure
*/
public static SunflowAPI create(string filename, int frameNumber)
{
if (filename == null)
return new SunflowAPI();
SunflowAPI api = null;
if (filename.EndsWith(".java"))
{
Timer t = new Timer();
UI.printInfo(UI.Module.API, "Compiling \"" + filename + "\" ...");
t.start();
try
{
//FileInputStream stream = new FileInputStream(filename);
api = null;//(SunflowAPI) ClassBodyEvaluator.createFastClassBodyEvaluator(new Scanner(filename, stream), SunflowAPI.class, ClassLoader.getSystemClassLoader());
//fixme: the dynamic loading
//stream.close();
}
catch (Exception e)
{
UI.printError(UI.Module.API, "Could not compile: \"{0}\"", filename);
UI.printError(UI.Module.API, "{0}", e);
return null;
}
t.end();
UI.printInfo(UI.Module.API, "Compile time: " + t.ToString());
if (api != null)
{
string currentFolder = Path.GetDirectoryName(filename);//new File(filename).getAbsoluteFile().getParentFile().getAbsolutePath();
api.includeSearchPath.addSearchPath(currentFolder);
api.textureSearchPath.addSearchPath(currentFolder);
}
UI.printInfo(UI.Module.API, "Build script running ...");
t.start();
api.currentFrame = frameNumber;
api.build();
t.end();
UI.printInfo(UI.Module.API, "Build script time: {0}", t.ToString());
}
else
{
api = new SunflowAPI();
api = api.include(filename) ? api : null;
}
return api;
}
public bool calculatePhotons(PhotonStore map, string type, int seed)
{
if (map == null)
{
return(true);
}
if (lights.Length == 0)
{
UI.printError(UI.Module.LIGHT, "Unable to trace {0} photons, no lights in scene", type);
return(false);
}
float[] histogram = new float[lights.Length];
histogram[0] = lights[0].getPower();
for (int i = 1; i < lights.Length; i++)
{
histogram[i] = histogram[i - 1] + lights[i].getPower();
}
UI.printInfo(UI.Module.LIGHT, "Tracing %s photons ...", type);
int numEmittedPhotons = map.numEmit();
if (numEmittedPhotons <= 0 || histogram[histogram.Length - 1] <= 0)
{
UI.printError(UI.Module.LIGHT, "Photon mapping enabled, but no {0} photons to emit", type);
return(false);
}
map.prepare(scene.getBounds());
UI.taskStart("Tracing " + type + " photons", 0, numEmittedPhotons);
Thread[] photonThreads = new Thread[scene.getThreads()];
float scale = 1.0f / numEmittedPhotons;
int delta = numEmittedPhotons / photonThreads.Length;
photonCounter = 0;
SunflowSharp.Systems.Timer photonTimer = new SunflowSharp.Systems.Timer();
photonTimer.start();
for (int i = 0; i < photonThreads.Length; i++)
{
int threadID = i;
int start = threadID * delta;
int end = (threadID == (photonThreads.Length - 1)) ? numEmittedPhotons : (threadID + 1) * delta;
photonThreads[i] = new Thread(new ThreadStart(new CalculatePhotons(start, end, this, seed, histogram, scale, map, lockObj).Run));
photonThreads[i].Priority = scene.getThreadPriority();
photonThreads[i].Start();
}
for (int i = 0; i < photonThreads.Length; i++)
{
try
{
photonThreads[i].Join();
}
catch (Exception e)
{
UI.printError(UI.Module.LIGHT, "Photon thread {0} of {1} was interrupted", i + 1, photonThreads.Length);
return(false);
}
}
if (UI.taskCanceled())
{
UI.taskStop(); // shut down task cleanly
return(false);
}
photonTimer.end();
UI.taskStop();
UI.printInfo(UI.Module.LIGHT, "Tracing time for {0} photons: {1}", type, photonTimer.ToString());
map.init();
return(true);
}
public void build(PrimitiveList primitives)
{
UI.printDetailed(UI.Module.ACCEL, "KDTree settings");
UI.printDetailed(UI.Module.ACCEL, " * Max Leaf Size: {0}", maxPrims);
UI.printDetailed(UI.Module.ACCEL, " * Max Depth: {0}", MAX_DEPTH);
UI.printDetailed(UI.Module.ACCEL, " * Traversal cost: {0}", TRAVERSAL_COST);
UI.printDetailed(UI.Module.ACCEL, " * Intersect cost: {0}", INTERSECT_COST);
UI.printDetailed(UI.Module.ACCEL, " * Empty bonus: {0}", EMPTY_BONUS);
UI.printDetailed(UI.Module.ACCEL, " * Dump leaves: {0}", dump ? "enabled" : "disabled");
Timer total = new Timer();
total.start();
primitiveList = primitives;
// get the object space bounds
bounds = primitives.getWorldBounds(null);
int nPrim = primitiveList.getNumPrimitives(), nSplits = 0;
BuildTask task = new BuildTask(nPrim);
Timer prepare = new Timer();
prepare.start();
for (int i = 0; i < nPrim; i++)
{
for (int axis = 0; axis < 3; axis++)
{
float ls = primitiveList.getPrimitiveBound(i, 2 * axis + 0);
float rs = primitiveList.getPrimitiveBound(i, 2 * axis + 1);
if (ls == rs)
{
// flat in this dimension
task.splits[nSplits] = pack(ls, PLANAR, axis, i);
nSplits++;
}
else
{
task.splits[nSplits + 0] = pack(ls, OPENED, axis, i);
task.splits[nSplits + 1] = pack(rs, CLOSED, axis, i);
nSplits += 2;
}
}
}
task.n = nSplits;
prepare.end();
Timer t = new Timer();
List<int> tempTree = new List<int>();
List<int> tempList = new List<int>();
tempTree.Add(0);
tempTree.Add(1);
t.start();
// sort it
Timer sorting = new Timer();
sorting.start();
radix12(task.splits, task.n);
sorting.end();
// build the actual tree
BuildStats stats = new BuildStats();
buildTree(bounds.getMinimum().x, bounds.getMaximum().x, bounds.getMinimum().y, bounds.getMaximum().y, bounds.getMinimum().z, bounds.getMaximum().z, task, 1, tempTree, 0, tempList, stats);
t.end();
// write out arrays
// free some memory
task = null;
tree = tempTree.ToArray();
tempTree = null;
this.primitives = tempList.ToArray();
tempList = null;
total.end();
// display some extra info
stats.printStats();
UI.printDetailed(UI.Module.ACCEL, " * Node memory: {0}", Memory.SizeOf(tree));
UI.printDetailed(UI.Module.ACCEL, " * Object memory: {0}", Memory.SizeOf(this.primitives));
UI.printDetailed(UI.Module.ACCEL, " * Prepare time: {0}", prepare);
UI.printDetailed(UI.Module.ACCEL, " * Sorting time: {0}", sorting);
UI.printDetailed(UI.Module.ACCEL, " * Tree creation: {0}", t);
UI.printDetailed(UI.Module.ACCEL, " * Build time: {0}", total);
if (dump)
{
try
{
UI.printInfo(UI.Module.ACCEL, "Dumping mtls to {0}.mtl ...", dumpPrefix);
StreamWriter mtlFile = new StreamWriter(dumpPrefix + ".mtl");
int maxN = stats.maxObjects;
for (int n = 0; n <= maxN; n++)
{
float blend = (float)n / (float)maxN;
Color nc;
if (blend < 0.25)
nc = Color.blend(Color.BLUE, Color.GREEN, blend / 0.25f);
else if (blend < 0.5)
nc = Color.blend(Color.GREEN, Color.YELLOW, (blend - 0.25f) / 0.25f);
else if (blend < 0.75)
nc = Color.blend(Color.YELLOW, Color.RED, (blend - 0.50f) / 0.25f);
else
nc = Color.MAGENTA;
mtlFile.WriteLine(string.Format("newmtl mtl{0}", n));
float[] rgb = nc.getRGB();
mtlFile.WriteLine("Ka 0.1 0.1 0.1");
mtlFile.WriteLine(string.Format("Kd {0}g {1}g {2}g", rgb[0], rgb[1], rgb[2]));
mtlFile.WriteLine("illum 1\n");
}
StreamWriter objFile = new StreamWriter(dumpPrefix + ".obj");
UI.printInfo(UI.Module.ACCEL, "Dumping tree to {0}.obj ...", dumpPrefix);
dumpObj(0, 0, maxN, new BoundingBox(bounds), objFile, mtlFile);
objFile.Close();
mtlFile.Close();
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
}
public bool build(Options options)
{
// read options
maxDiffuseDepth = options.getInt("depths.diffuse", maxDiffuseDepth);
maxReflectionDepth = options.getInt("depths.reflection", maxReflectionDepth);
maxRefractionDepth = options.getInt("depths.refraction", maxRefractionDepth);
giEngine = GIEngineFactory.create(options);
string caustics = options.getstring("caustics", null);
if (caustics == null || caustics == "none")
{
causticPhotonMap = null;
}
else if (caustics != null && caustics == "kd")
{
causticPhotonMap = new CausticPhotonMap(options);
}
else
{
UI.printWarning(UI.Module.LIGHT, "Unrecognized caustics photon map engine \"{0}\" - ignoring", caustics);
causticPhotonMap = null;
}
// validate options
maxDiffuseDepth = Math.Max(0, maxDiffuseDepth);
maxReflectionDepth = Math.Max(0, maxReflectionDepth);
maxRefractionDepth = Math.Max(0, maxRefractionDepth);
SunflowSharp.Systems.Timer t = new SunflowSharp.Systems.Timer();
t.start();
// count total number of light samples
int numLightSamples = 0;
for (int i = 0; i < lights.Length; i++)
{
numLightSamples += lights[i].getNumSamples();
}
// initialize gi engine
if (giEngine != null)
{
if (!giEngine.init(scene))
{
return(false);
}
}
if (!calculatePhotons(causticPhotonMap, "caustic", 0))
{
return(false);
}
t.end();
cacheLookups = 0;
cacheHits = 0;
cacheEmptyEntryMisses = 0;
cacheWrongEntryMisses = 0;
cacheEntryAdditions = 0;
if (_shadingCache != null)
{
// clear shading cache
for (int i = 0; i < _shadingCache.Length; i++)
{
_shadingCache[i] = null;
}
}
UI.printInfo(UI.Module.LIGHT, "Light Server stats:");
UI.printInfo(UI.Module.LIGHT, " * Light sources found: {0}", lights.Length);
UI.printInfo(UI.Module.LIGHT, " * Light samples: {0}", numLightSamples);
UI.printInfo(UI.Module.LIGHT, " * Max raytrace depth:");
UI.printInfo(UI.Module.LIGHT, " - Diffuse {0}", maxDiffuseDepth);
UI.printInfo(UI.Module.LIGHT, " - Reflection {0}", maxReflectionDepth);
UI.printInfo(UI.Module.LIGHT, " - Refraction {0}", maxRefractionDepth);
UI.printInfo(UI.Module.LIGHT, " * GI engine {0}", options.getstring("gi.engine", "none"));
UI.printInfo(UI.Module.LIGHT, " * Caustics: {0}", caustics == null ? "none" : caustics);
UI.printInfo(UI.Module.LIGHT, " * Shader override: {0}", shaderOverride);
UI.printInfo(UI.Module.LIGHT, " * Photon override: {0}", shaderOverridePhotons);
UI.printInfo(UI.Module.LIGHT, " * Shading cache: {0}", _shadingCache == null ? "off" : "on");
UI.printInfo(UI.Module.LIGHT, " * Build time: {0}", t.ToString());
return(true);
}
